﻿exposure. I therefore place this variety where 1 did the 

 original specimen collected by me in 1880, No. 1716. at 

 Leeds, S. Utah, upon which the species of Koehne was 

 founded. This would seem to be A. -pallida var. argtita 



All the numbers given above have acute leaflets, the 

 following have obtuse and rounded leaflets and are nearer 

 the type of A. Utahensis. 



No. 5006a. April 4, 1894, Copper Mine, 18 miles 

 west of St. George, Utah, 5200 alt., on rocky slopes. 



No. 5289k. May 23, 1894, Johnson, Utah, 5000 alt., 

 in rocky places. 



No. 53i2n. May 28, 1894, canon above Tropic, Utah, 

 6500 alt., on slopes. 



No. 5291c May 25, 1894, 15 miles south of Pahria, 

 Ariz., in gravel, 5000 alt. 



No. 5663k. July 23, 1894, Marvine Laccolite, Henry 

 Mountains, Utah, 6000 alt., in gravel. 



No. 5095I1. April 21, 1894, Pagumpa, Arizona. 4000 



No. 5o82d. April 20, same locality. 



Purshia tridentata var. glandulosa (Curran, Bui. 

 Cal. Acad. 1, 153). I agree with Mrs. Brandegee (Mrs. 

 Curran) that this is only a variety of P. tridentata. Hav- 

 ing examined all of Mr. Coville's specimens in the Na- 

 tional Herbarium I failed to find constant characters. 



POTENTILLA SABULOSA. IvESIA SABULOSA. 



No. 6032. Sept. 11, 1894, nead °* the Sevier River 

 among pines, 8000 alt., in compact gravelly clay. 



This plant ranks next to P. King-ii, but very much re- 

 sembles Utahensis. Stems erect, 6-9' long, rather slender, 

 growing in patches much after the fashion of Arenaria 

 A'ino/i, and Fendlcri: petals linear to oblanceolate, about 

 as long as the calyx lobes; accessory calyx lobes minute, 



